Results 71 to 80 of about 7,170,285 (372)
Energy-Efficient Dual-Iteration Power Allocation for Two-Phase Relay System with Massive Antennas
International Journal of Antennas and Propagation, 2014 This paper considers the scenario where multiple source nodes communicate with multiple destination nodes simultaneously with the aid of an amplify-and-forward relay equipped with massive antennas.
Long Zhao +5 more
doaj +1 more source
Advanced Functional Materials, EarlyView.Heterojunctions combining halide perovskites with low‐dimensional materials enhance optoelectronic devices by enabling precise charge control and improving efficiency, stability, and speed. These synergies advance flexible electronics, wearable sensors, and neuromorphic computing, mimicking biological vision for real‐time image analysis and intelligent
Yu‐Jin Du +11 more
wiley +1 more source
Advanced Functional Materials, EarlyView.Triple Passivation Treatment (TPT) strategy enables 1.75 eV wide‐bandgap perovskite solar cells (WB‐PSCs) with suppressed halide phase segregation and n‐to‐p type surface transition. The photoluminescence quantum yield increases from 0.5 to 2.1%, indicating reduced non‐radiative losses.
Siming Huang +12 more
wiley +1 more source
Dynamic Beamforming for Three-Dimensional MIMO Technique in LTE-Advanced Networks
International Journal of Antennas and Propagation, 2013 MIMO system with large number of antennas, referred to as large MIMO or massive MIMO, has drawn increased attention as they enable significant throughput and coverage improvement in LTE-Advanced networks.
Yan Li, Xiaodong Ji, Dong Liang, Yuan Li
doaj +1 more source
A Joint Learning and Communications Framework for Federated Learning Over Wireless Networks [PDF]
IEEE Transactions on Wireless Communications, 2019 In this article, the problem of training federated learning (FL) algorithms over a realistic wireless network is studied. In the considered model, wireless users execute an FL algorithm while training their local FL models using their own data and ...
Mingzhe Chen +5 more
semanticscholar +1 more source
High‐Performance Millimeter Scale Electromagnetic Generator
Advanced Functional Materials, EarlyView.A high‐performance millimeter‐scale electromagnetic generator (mmEMG) is developed using magnetic flux concentrator (MFC) films on both coil ends to enhance magnetic flux. Through simulations and experiments, structural and magnetic properties are optimized, achieving a 5.6‐fold electrical output improvement.
Jin Pyo Lee +5 more
wiley +1 more source
Intelligent Routing Orchestration for Ultra-Low Latency Transport Networks
IEEE Access, 2020 Autonomous driving scenarios face the need for millisecond real-time response, which has led to the study of mobile networks with high speed and ultra-low latency.
Qingmin Meng +3 more
doaj +1 more source
Practical Network Coding in Sensor Networks: Quo Vadis? [PDF]
, 2012 . Network coding is a novel concept for improving network ca-pacity. This additional capacity may be used to increase throughput or reliability. Also in wireless networks, network coding has been proposed as a method for improving communication.
Kasun Samarasinghe +5 more
core +2 more sources
Capacity of wireless erasure networks [PDF]
, 2006 In this paper, a special class of wireless networks, called wireless erasure networks, is considered. In these networks, each node is connected to a set of nodes by possibly correlated erasure channels. The network model incorporates the broadcast nature
Dana, Amir F. +4 more
core +3 more sources
, 2016 Versatile and effective, Wireless Sensor Networks (WSNs) witness a continuous expansion of their application domains. Yet, their use is still hindered by issues such as reliability, lifetime, overall cost, design effort and multidisciplinary engineering knowledge, which often prove to be daunting for application domain experts.
LAZARESCU, MIHAI TEODOR +1 more
openaire +3 more sources